- Cut two pieces of wire 3 1/2 inches long. Bend each piece of wire, following the rotor hinge bending guide, to form two rotor hinges. Note: The angle of bend in these wires will affect the way the model flies more than any other step in its construction. Work carefully, matching the hinges to the illustrations as closely as possible.
- Cut a piece of wire 3 inches long. Form the rotor shaft by bending the wire, following the rotor shaft bending guide. When finished, clup away any excess wire. Install the rotor shaft in the frame by passing the straight end of the shaft up through the hole drilled in the top of the frame as shown.
- Cut out washer. Drill a hole in the center large enough for wire to fit through snugly. Slide the washer onto the rotor shaft, locating it approximately 1 inch from the top end of the shaft. Apply a drop of super glue to the top of the washer, then pull the shaft down so that the washer rests lightly on the top of the frame. Be careful not to glue the washer to the top of the frame. Check from several angles to make sure that the shaft is vertical and the washer is flat against the frame. This alignment of the washer is critical to the model's performance. When glue has set, apply an additional drop of glue ot the top of the washer to reinforce the joint. Let glue dry completely
- Cut out blade supports
- Glue together, back to back. When glue has dried, drill a hole where indicated large enough for wire to fit through snugly.
- Cut out upper rotor blades
- Score and bend on dotted lines
- Fold long tab on each blade and glue to the underside of the blade
- Turn blades face down on the work surface and install rotor hinges as shown. The two short tabs at the end of the blades should be folded and glued over the hinges so that the 90-degree bends in the wire touch the edges of the tabs. Before the glue sets, use your thumbnail to crease the tabs as shown, making them fit closely against the wire. Apply a thin film of glue to the score line along the edge of each tab to keep the paper from fraying
- Cut out the hinge plate. Fold along diagonal lines without scoreing so that the ends meet with a slight overlap in the middle of the center section. If folded correctly, the shape of the piece (when placed flat on the work surface with the overlapping sections on top) will match the shape printed on the upper blade support
- Join the upper rotor blades to the hinge plate by placing the hinge plate flat on the work surface with the overlapping sections on top. With rotor blades tab side down, install the rotor hinge wires inside the foldsof the hinge plate. Glue hinge plate sections over the wire, creasing the plate close the hinge wire as shown. Study the illustration carefully to see how the piece go together
- Glue the rotor blade assembly to the upper blade support, aligning the hinge plate with the shape printed on the support. When the glue has dried, drill a hole through the entire assembly using the hole previously drilled in the upper blade support as a guide. Hole should be just large enough for wire to fit through snugly
- Cut out rotor stop. Drill hole where indicated large enough for wire to fit through snugly. Glue rotor stop to top of upper rotor assembly, aligning holes. Use your thumbnail to crease the stop next to the hinges so that the ends of the stop stick up as shown. When the glue has set, turn the rotor assembly upside down, allowing the rotor blades to droop against the ends of the stop. Bend the ends of the stop back and release so that both blades droop at a 45-degree angle
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